Stanley J5C09 500-Amp Jump Starter with Built-In Air Compressor

• 1000 Peak Battery Amps / 500 Amp Instant Starting Power
• Includes a 120 PSI air compressor, DC & USB charging plugs and a high powered LED light that rotates 270 degrees
• Consists of reverse polarity alarm for safety along with a top-mounted rubber molded handle for easy grip
• Heavy duty metal clamps and Number 6 AWG cables
• Contains power/charge indicator and audible & visual reverse polarity alarm
• Item is Hazmat and non-returnable

This unit should provide the capacity needed to jump start most cars. However, there are a few things to note:

1. This unit does not have an automatic float charging system. This means you can't just leave it plugged in & expect it to maintain a full charge. Instead, you must periodically unplug it and replug it in (at least every few months). If you forget, you will not only not have a charged unit when you need it, but, the battery can become damaged as well if left to fully discharge. Chargers costing as little as $20 have this feature; There's no reason to exclude it on a unit like this.

2. This unit does not include a power cord. Instead, you will need to use an extension cord; it needs to be a single dongle version because of the design of the unit.

3. This unit does not include a storage compartment. Not a big deal, but, if you have some accessories you want to tote (like a power cord or inflation needle), you won't have a convenient place to store it.

I've also had two PowerStation units. One died within a year and the other still works (I think). Time will tell how the Stanley stacks up.

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...and that's saying a lot, since this thing is so heavy.

I haven't used all the features, but I recently had a electrical problem in my car. The alternator was draining my battery, and I had to unplug it every time. I got the jump starter after my car was fixed, but then I forgot to turn my lights off two days later. This thing jumped my car just fine.

I also have a lot of problems with my tires in the winter, air slowly leaks out of one of my tires. This will come in handy then, as well. It'll save me a couple bucks going to the gas station to fill up air.

Pros: It works. Lots of features, including a cigarette lighter charger, USB charger, and air compressor for your tires. Easy to carry with the handle up top.

Cons: Heavy, it takes a long time to charge (15-19 hrs), and you'll need an extension cord to charge it.

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I drive a honda ridgeline pickup truck and my wife drive a honda civic. I've been looking for a decent jumpstarter that would be powerful enough for both of our vehicles. Rather then having 2 various models it just seemed easier to get two identical units. After reading reviews on several various jump-starters I opted for this model.

Now the most negative thing I could find about this thing was it lacked a flat charger so you couldn't leave it plugged in. For me that's not even a factor, after all I bought this to charge it and then put it in the trunk of my wifes car and in the cargo area of my truck. I don't intend on leaving this plugged in. So if you plan on using this HOW IT IS DESIGNED then you too don't even need to worry about the lack of a float charger.

That being said, the unit itself is a bit heavy, imagine picking up really big battery, that's essentially what this is. It has some weight to it.

The jumpstarter itself also features an interesting little light that pivots as well as an air compressor. I've heard/read back reviews on the air compressor, for me it's not why I bought it. But initial checks it looks like it works fine and even has somewhere to store the air hose which is really nice.

The one negative I have on this thing is the power switch for the air compressor is on the back and is not protected. In other words it could in theory be flipped on and drain the battery. So when you need to jump your car the starter would be dead. I wish they put a cover or moved the switch but honestly it would take a perfect mistake for that to get turned on so it's really not that critical. To prevent this from potentially happening I actually went down to Target and bought 2 milk crates,one for me and one for my wife. I put a jump starter, first aid kit, oil, etc in the crate so it's essentially the roadside emergency crate and also protects the jumpstarter from getting knocked around and/or turned on.

Overall I spent $140 total on 2 of these and I'm really happy with the quality. They charge overnight easily, the indicator lights show you the charge remaining on the battery and it has power ports for 12volt and USB which is an added bonus.

If you need a jumpstarter I would definitely consider this one.

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Let me lead by explaining an easy fix for units that have been completely discharged and will not charge via the 110volt outlet. Mine was bumped in my tool box and the compressor switch turned on, leaving the unit completely dead for at least a week. I thought it was trashed but then was able to build a charge using the 12volt adapter included. Once a low level charge was achieved I brought it inside and fully charged it after 2 days. Not sure this will work in all situations but the higher voltage charge from a running car (~14 volts) was enough to bring the unit back to life.

I have had this charger for about a year and have been pretty happy with it thus far. The unit has been in my truck box most of this time and I bring it out occasionally to keep it charged. It works fine to jumpstart my Dodge Dakota but the air pump feature is very limited. It makes a great deal of noise and would take prohibitively long to inflate a car tire. The best use for the air pump has been for inflating bike tires.

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I had to use this already and it worked great. I like how the postive and negive clamps clamp to the box so they aren't free. The light for the air compressor is great too. When you are in the dark the light on the side is handy to have.